American Standard 6590.525 is a water-saving urinal system with a number of features that make it a great choice for commercial and public restrooms. The system uses only 0.125 gallons per flush, which can save a significant amount of water over traditional urinals. The urinal is also designed to be vandal-resistant, with a self-cleaning piston that prevents clogging and a mechanical override that allows the valve to be flushed during a power failure. The system also includes a stadium function that reduces water consumption during periods of heavy usage. Overall, the American Standard 6590.